70409554236 has 144 divisors (see below), whose sum is σ = 211571732736. Its totient is φ = 20056667904.

The previous prime is 70409554231. The next prime is 70409554249. The reversal of 70409554236 is 63245590407.

70409554236 is a `hidden beast` number, since 7 + 0 + 409 + 5 + 5 + 4 + 236 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 70409554191 and 70409554200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70409554231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2277595 + ... + 2308301.

It is an arithmetic number, because the mean of its divisors is an integer number (1469248144).

Almost surely, 2^70409554236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70409554236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105785866368).

70409554236 is an abundant number, since it is smaller than the sum of its proper divisors (141162178500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70409554236 is a wasteful number, since it uses less digits than its factorization.

70409554236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31070 (or 31056 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 70409554236 in words is "seventy billion, four hundred nine million, five hundred fifty-four thousand, two hundred thirty-six".